61384916 has 12 divisors (see below), whose sum is σ = 107659860. Its totient is φ = 30624960.

The previous prime is 61384903. The next prime is 61384919. The reversal of 61384916 is 61948316.

It can be written as a sum of positive squares in 2 ways, for example, as 8880400 + 52504516 = 2980^2 + 7246^2 .

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 61384916.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61384919) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14801 + ... + 18488.

It is an arithmetic number, because the mean of its divisors is an integer number (8971655).

Almost surely, 2^61384916 is an apocalyptic number.

It is an amenable number.

61384916 is a deficient number, since it is larger than the sum of its proper divisors (46274944).

61384916 is a wasteful number, since it uses less digits than its factorization.

61384916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33754 (or 33752 counting only the distinct ones).

The product of its digits is 31104, while the sum is 38.

The square root of 61384916 is about 7834.8526469871. The cubic root of 61384916 is about 394.4759723056.

The spelling of 61384916 in words is "sixty-one million, three hundred eighty-four thousand, nine hundred sixteen".